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Length-Weight Relationships Of Fishes From Anambra River, Southeastern Nigeria


J M Ezenwaji

Abstract



Length-weight relationships (LWR) and standard-total length relationships (STR) were estimated for 87 populations of fishes in Anambra river belonging to 18 families. 33 genera and 45 species The exponent, b , ranged from 2.007 to 3.750 and had a mean of 2.764 ± 0.338, which is significantly less than 3, indicating negative allometric LWR forthe multispecies populations studied. The distributions of b and In a were normal and the correlation between them was negative (r = -0.864) and highly significant. STR permits conversion of standard to total length of each population.

Keywords: Length-weight relationships, fishes, Anambra river

Animal Research International Vol. 1 (1) 2004: pp. 1-6

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eISSN: 1597-3115